Handout image of underwear worn by alleged bomber

In this handout government image provided by ABC news, the underwear with the explosive packet removed worn by alleged bomber Umar Farouk Abdulmutallab, is all that remains of a failed attempt to down a Northwest Airlines flight over Detroit. The alleged bomb consisted of a packet of powder sewn into the briefs of Umar Farouk Abdulmutallab, a 23-year-old Nigerian. Al Qaeda took credit for the attempted bombing, boasted of its ability to overcome U.S. intelligence and airport security, and promised new attacks. Photo includes a ruler to provide scale. (Photo by ABC News via Getty Images)

In this handout government image provided by ABC news, the underwear with the explosive packet removed worn by alleged bomber Umar Farouk Abdulmutallab, is all that remains of a failed attempt to down a Northwest Airlines flight over Detroit. The alleged bomb consisted of a packet of powder sewn into the briefs of Umar Farouk Abdulmutallab, a 23-year-old Nigerian. Al Qaeda took credit for the attempted bombing, boasted of its ability to overcome U.S. intelligence and airport security, and promised new attacks. Photo includes a ruler to provide scale. (Photo by ABC News via Getty Images)

In this handout government image provided by ABC news, the underwear with the explosive packet removed worn by alleged bomber Umar Farouk Abdulmutallab, is all that remains of a failed attempt to down a Northwest Airlines flight over Detroit. The alleged bomb consisted of a packet of powder sewn into the briefs of Umar Farouk Abdulmutallab, a 23-year-old Nigerian. Al Qaeda took credit for the attempted bombing, boasted of its ability to overcome U.S. intelligence and airport security, and promised new attacks. Photo includes a ruler to provide scale. (Photo by ABC News via Getty Images)